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Flexible apparatus and process for loading and sealing pouches
| Details |
Inventors: DePoint, John; Koelsch, Michael L.; Panzarella, Vincent J.; Voves, David R.;
Assignee: Eastman Kodak Company (Rochester, NY)
Primary Examiner: Sipos; John
Assistant Examiner: Johnson; Linda
Attorney, Agent or Firm: Snee, III; Charles E.
A flexible apparatus and process are disclosed for loading objects into pouches and then sealing the pouches, in which a pouch (10) having side walls (12,14) and an open mouth (18) is moved from a source (34) to a pouch opening apparatus (72) where the mouth is opened to pass an object such as a stack (20) of slippery sheets which is pushed through the mouth into the pouch while the object is resiliently engaged through the walls of the pouch by a mechanism (70, 82-110) to prevent the object from shifting during movement into or with the pouch, after which the pouch and object are moved, while still resiliently engaged, to a station (74) at which the pouch is evacuated and sealed. Changes are readily accomodated in object size, pouch size or format, or all of these. |
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DETAILED DESCRIPTION The apparatus of the invention comprises a hopper or other source of pouches for the objects to be packaged, each pouch having side walls and an open mouth, and a support surface convenient to the hopper.
Means such as a general purpose programmable robot may be provided for removing a pouch from the source and placing the pouch on the support surface, or the removal may be done manually or in any suitable manner.
A reference point or feature on each pouch, such as a corner near its open mouth, preferably is positioned at a fixed reference point on the support surface, without regard to the size of the pouch.
Means are provided for opening the mouth of the pouch and holding the mouth open while the pouch is filled.
The object to be packaged is received at a position opposite the mouth, by manual placement or by means of a such as a general purpose programmable robot.
Means are provided for pushing the object through the mouth into the pouch.
Preferably, a reference point or feature on each object, such as a corner on a stack of sheets, is positioned at a fixed reference point opposite the mouth of the pouch, without regard to the size of the object; so that, each size of object is properly positioned for its respective size of pouch.
To prevent the object from shifting its configuration or position as it is pushed into or as it moves with the pouch, means are provided for resiliently engaging the object through the side walls of the pouch as the object is pushed into the pouch and as the object subsequently moves with the pouch.
The pouch and object preferably are resiliently engaged in this fashion while they are moved to a station at which the interior of the pouch is evacuated and the pouch is sealed.
The support surface may comprise a plurality of rails separated by longitudinally extending slots.
In this embodiment, the means for resiliently engaging comprises a frame having a first element extending above the support surface and a second element extending beneath the support surface
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